[hterm:crosh] Add support for terminal window resizing to terminal API

chrome/browser/extensions/api/terminal/terminal_private_api.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_TERMINAL_TERMINAL_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TERMINAL_TERMINAL_PRIVATE_API_H_
 #pragma once
 
 #include <string>
 
@@ skipping 47 matching lines @@
  public:
   virtual bool RunTerminalFunction() OVERRIDE;
 
  private:
   void CloseOnFileThread(pid_t pid);
   void RespondOnUIThread(bool success);
 
   DECLARE_EXTENSION_FUNCTION_NAME("terminalPrivate.closeTerminalProcess")
 };
 
+// Called by extension when terminal size changes.
+class OnTerminalResizeFunction : public TerminalPrivateFunction {
+ public:
+  virtual bool RunTerminalFunction() OVERRIDE;
+
+ private:
+  void OnResizeOnFileThread(pid_t pid, int width, int height);
+  void RespondOnUIThread(bool success);
+
+  DECLARE_EXTENSION_FUNCTION_NAME("terminalPrivate.onTerminalResize")
+};
+
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TERMINAL_TERMINAL_PRIVATE_API_H_